28608845 has 8 divisors (see below), whose sum is σ = 34394976. Its totient is φ = 22844176.

The previous prime is 28608809. The next prime is 28608863. The reversal of 28608845 is 54880682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28608845 - 2¹² = 28604749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (4299372).

Almost surely, 2^28608845 is an apocalyptic number.

It is an amenable number.

28608845 is a deficient number, since it is larger than the sum of its proper divisors (5786131).

28608845 is a wasteful number, since it uses less digits than its factorization.

28608845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 28608845 is about 5348.7236795333. The cubic root of 28608845 is about 305.8441008879.

The spelling of 28608845 in words is "twenty-eight million, six hundred eight thousand, eight hundred forty-five".